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Journal article

Construction constraints on geomorphic-unit rehabilitation on regulated gravel-bed rivers

This journal article compares design versus as-built topography for five salmonid spawning habitat rehabilitation projects at riffle-pool geomorphic units on the lower Mokelumne River, California, USA.

Marisa Escobar / Published on 22 April 2009

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Citation

Sawyer, A.M.; Pasternack, G.B.; Merz, J.E.; Escobar, M.I.; Senter, A.E (2009). Construction constraints on geomorphic-unit rehabilitation on regulated gravel-bed rivers. River Research and Applications, Volume 25, Issue 4, May 2009, Pages 416–437. First published: 16 June 2008.

The emergent practice of applied river restoration uses best available equipment and contouring methods to construct detailed designs with some features at scales as small as 0.5-m relief. As part of adaptive management, it is necessary to determine the practicability of design features and construction methods before widespread adoption.

The authors conclude that constructing broad (>0.5-m relief) features of process-based salmonid spawning habitat rehabilitation projects by gravel augmentation is practicable. However, uncertainties attributed to human error and available methods inhibit detailed (

 

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10.1002/rra.1173 Closed access
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